Bed frame



FIG. 1 is a frontal perspective view of a bed frame showing my design;

FIG. 2 is a plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is an end view thereof, the opposite end being a mirror image thereof. 

The ornamental design for a bed frame, as shown and described. 